/Engine/Source/Runtime/Core/Public/Math/TransformCalculus3D.h
NOTE: UE::Math::TQuatconcatenates right to left, opposite of how UE::Math::TMatriximplements it. Confusing, no? That's why we have these high level functions!
a new rotation representing the transformation from the input space of LHS to the output space of RHS.
namespace UE { namespace Math { template<typename T> [UE::Math::TQuat](API\Runtime\Core\Math\TQuat)< T > UE::Math::Concatenate ( const [UE::Math::TQuat](API\Runtime\Core\Math\TQuat)< T > & LHS, const [UE::Math::TQuat](API\Runtime\Core\Math\TQuat)< T > & RHS ) } }